The Newsletter of Cave Conservation and Management
Monitoring of visitor use and compliance with cave regulations. ..... Standard temperature is 298.2 degrees K (25.0 degrees C) and standard pressure is ... gives the threshold limit of phosphene in which workers should be safe (TLV) at 0.4 mg .... do smell even when closed and lit (especially Premier and belt generator type).
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acave Contacts: Tel: 205-852-1300 Website: acave.us
acave's website is acave.us